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Tech Magic

Limit SSH connections to 8 per minute
sudo iptables -A INPUT -i eth0 -p tcp –dport 22 -m state –state NEW -m recent –set –name SSH
sudo iptables -A INPUT -i eth0 -p tcp –dport 22 -m state –state NEW -m recent –update –seconds 60 –hitcount 8 –rttl –name SSH -j DROP